Finding the Fourth Proportional to 351,390.76, 526,057.98 and 217,868.20
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Solution
The fourth proportional to 351,390.76, 526,057.98 and 217,868.20 is: 326,164.82
Step by Step Solution
- Step 1: Write the proportion equation
351,390.76 : 526,057.98 = 217,868.20 : x - Step 2: Convert to fraction form
351,390.76/526,057.98 = 217,868.20/x - Step 3: Cross multiply
351,390.76x = 526,057.98 × 217,868.20 - Step 4: Simplify right side
351,390.76x = 114,611,305,198.24 - Step 5: Solve for x
x = 114,611,305,198.24/351,390.76 - Step 6: Final answer
x = 326,164.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.